Senior Java Backend Lead — AWS Cloud Migration

Gravitas Recruitment Group (Global) Ltd; City Of London; Hybrid; GBP 60,000 - 85,000; Full time

Job summary

Gravitas Recruitment Group (Global) Ltd is recruiting for a back-office Java services development role in London. The job focuses on development, maintenance and enhancement of services supporting the Back Office at our Financial Services client, with 3 days per week on site in City of London.

The team interacts with IT and business stakeholders; cloud-first approaches are promoted as part of a broader AWS migration.

Qualifications

• Substantial enterprise Java development experience in a complex, business-critical environment.
• Strong core Java, object-oriented design, data structures, algorithms and clean-code practices.
• Hands-on experience building backend services, RESTful APIs and integration components, ideally using Spring/Spring Boot and related enterprise Java frameworks.
• Strong SQL and relational database skills, including investigation, reconciliation, performance-aware query writing and issue resolution.
• Experience with automated testing, including unit, integration and regression testing using common Java testing tools.
• Experience with CI/CD pipelines, source control, build tools and delivery tooling such as Git, Maven/Gradle, Jenkins.
• AWS or cloud migration experience, including cloud-ready design, containerisation, Docker, IaC concepts and operational resilience.
• Strong analytical and troubleshooting skills, with the ability to work across code, data, logs and processes.
• Excellent communication and stakeholder engagement skills, with confidence across business and tech teams.
• Experience with Agile/Scrum or iterative delivery environments with Jira.
• Self-starter with ownership and delivery focus for critical services.
• Experience in investment banking or related regulatory domains.
• Experience with PostgreSQL/Aurora, JPA/Hibernate, Spring Security, messaging and observability tooling.
• Experience supporting cloud migration, AWS ECS, RDS, Lambda, Terraform, Docker.
• Awareness of AI-enabled development practices.

Responsibilities

• Pro-actively communicate with IT and business stakeholders across a range of seniority; document requirements.
• Support Post Trade functions across Finance, Operations, Regulatory Reporting and more.
• Champion cloud-first solutions as the bank migrates to AWS.
• Deliver software against prioritised business and regulatory demands within timelines.
• Develop and maintain high-quality, testable code with unit/integration testing.
• Document dependencies, technical complexities and change requests for stakeholders.
• Ensure engineering stack knowledge is documented and maintained.
• Provide support aligning with Technology priorities and system resilience.

Skills

Java

Spring/Spring Boot

RESTful APIs

SQL/Relational DB

CI/CD

Cloud/AWS

Testing (unit/integration)

Agile/Scrum

Stakeholder engagement

Documentation

Migration/Cloud-first

PostgreSQL/Aurora

Hibernate/JPA

Docker/Kubernetes

Tools

Spring/Spring Boot

Git

Maven/Gradle

Jenkins

Docker

Terraform

AWS ECS

RDS

S3

PostgreSQL

Aurora

JPA/Hibernate

Spring Security

Job description

Gravitas Recruitment Group (Global) Ltd is recruiting for a back-office Java services development role in London. The job focuses on development, maintenance and enhancement of services supporting the Back Office at our Financial Services client, with 3 days per week on site in City of London.

The team interacts with IT and business stakeholders; cloud-first approaches are promoted as part of a broader AWS migration.